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Foreign registration worksheets · Missouri

3 Best Foreign Registration Services in Missouri (2026): Worked Prices

Missouri, 2026, foreign registration services: the ranking by value reads Mainstay Filing ($199), Missouri Registered Agent.co ($199) and MO Registered Agent.org ($199). Three years of service fees come to $397 to $497; every row also owes Missouri the same $105 registration fee.
Worked by the Formation Math editorial team

↓ Sorted by: Cost first (42%), items covered second (28%), three smaller checks after. See the working

Key results

Fee the state takes to register $105 sos.mo.gov (checked October 2026) as the source
Totals after one year $199 Without the state fee
Totals after three years $397 to $497 Includes both renewals
What the state collects by year 3 $105 The same whoever registers
Where rows cross Not within ten years No change in order

Missouri, ranked by value

Prices are copied from each company's own pricing. The $105 state fee is added separately.

1
Best value

1. Mainstay Filing: best for the same fee in every state

$199 to register, $149 each year after
Year-1 price $199
Price after year 1 $149/yr
Sum of 3 years $497

Row one is Mainstay Filing. The math: $199 over Missouri's own fee, followed by $149 a year for the agent.

Subtract and Missouri Registered Agent.co is $100 cheaper across three years, yet it leaves more filings to you.

When the free year runs out, the agent bills $149 yearly.

The price buys

  • Registration papers, prepared and filed
  • Registered agent with no charge in year one
  • One fee wherever you register

Adds up

  • $199 plus the state's fee
  • One price in any state
  • The first agent year is covered

Does not add up

  • Missouri Registered Agent.co charges $50 less for the agent
2
In-state provider

2. Missouri Registered Agent.co: best for the smallest annual agent total

$199 to register, $99 each year after
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

Row 2 belongs to Missouri Registered Agent.co because $199 beyond the state fee, year-one agent included, then $99 a year.

The price buys

  • Registration handled start to finish
  • Year-one agent service

Adds up

  • Agent renews at $99
  • Agent included to start
  • Service fee of $199

Does not add up

  • Nothing outside this state
3
In-state provider

3. MO Registered Agent.org: best for a second in-state filer

$199 to register, $99 each year after
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

Row 3 belongs to MO Registered Agent.org because $199 beyond the state fee, year-one agent included, then $99 a year.

Year one and renewal both match Missouri Registered Agent.co.

The price buys

  • Registration handled start to finish
  • Year-one agent service

Adds up

  • Agent included to start
  • Agent renews at $99
  • Service fee of $199

Does not add up

  • Nothing outside this state

Year-by-year sums

No. Provider Year 1 total Total at year 2 Total at year 3 Total at year 5
1 Mainstay Filing $199 $348 $497 $795 Visit Mainstay Filing Partner link. We may earn money if you buy.
2 Missouri Registered Agent.co $199 $298 $397 $595 Visit Missouri Registered Agent.co Partner link. We may earn money if you buy.
3 MO Registered Agent.org $199 $298 $397 $595 Visit MO Registered Agent.org Partner link. We may earn money if you buy.

Read November 13, 2026. Each column gets one more renewal. The ranking by running sum is stable for ten years.

Worksheet calculator

Sums for 1 to 5 years. State fees are left out because they match in every row.

After 3 years, the totals are Mainstay Filing $497, Missouri Registered Agent.co $397, MO Registered Agent.org $397. Lowest of the totals: Missouri Registered Agent.co.

State fees with citations

Term Value Where it comes from
Fee to register the foreign LLC $105 sos.mo.gov (checked October 2026) as the source
Three-year state total $105 Filing + reports + any tax

To get the three-year state figure, add the filing fee, the reports due in years two and three, and any yearly minimum tax. Costs with no fixed amount, such as newspaper publication, are mentioned but not added.

The working behind Missouri

Items covered per dollar put Mainstay Filing in row one. That term is 28% of the score; three-year total, year-two change, crossover year and published detail make up the rest.

Registering here involves at least two states, and one provider for both beat Missouri Registered Agent.co.

Missouri foreign LLC registration fee and rules, from the source

The Missouri Secretary of State, Corporations Division collects $105 and the Application for Registration of a Foreign Limited Liability Company (Form LLC 4) from out-of-state LLCs doing business in Missouri. The filing also needs certificate of good standing/existence from the home state issued within 60 days.

Not registering can lead to no lawsuits as plaintiff in Missouri courts until it registers (RSMo 347.163.1).

Source text: dor.mo.gov (checked October 2026) as the source

If you skip the service

Do it yourself and only state fees remain, $105 over three years. The service rows add $397 to $497 for the paperwork.

Common questions

How much does Missouri take to register an out-of-state LLC?

$105 in state fees, before service fees of $199.

What do the services add up to over three years?

Service totals for three years: $397 to $497.

Which form does the registering?

The form is Application for Registration of a Foreign Limited Liability Company (Form LLC 4), and the Missouri Secretary of State, Corporations Division receives it.

Does Missouri ask for a paper from the home state?

Yes, and it must be under 60 days old: certificate of good standing/existence from the home state.

What recurring filing comes after registration?

Nothing: a foreign LLC files no recurring report here.

In what year does one service pass another in total cost?

Never in ten years: the order of the running sums does not change.

Which foreign registration service is best value in Missouri?

By the five-part score the Missouri rows run Mainstay Filing, Missouri Registered Agent.co and MO Registered Agent.org, led by Mainstay Filing on items covered per dollar.

Next worksheets

Foreign registration worksheets, all 50 states Best foreign registration services overall The method

Inputs and sources

  1. Source of RSMo 347.037: revisor.mo.gov, August 2026.
  2. Source of Missouri formation fee: Filing fee: sos.mo.gov, October 2026.
  3. Source of Missouri registered agent statute: revisor.mo.gov, October 2026.
  4. Source of Missouri Secretary of State, Corporations: sos.mo.gov, October 2026.
  5. Source of Form LLC 4, foreign LLC: sos.mo.gov, October 2026.
  6. Source of RSMo 347.153, registration of foreign: revisor.mo.gov, October 2026.
  7. Source of RSMo 347.163, transacting business and: revisor.mo.gov, October 2026.
  8. Source of Missouri Department of Revenue, business: dor.mo.gov, October 2026.
  9. Input: Mainstay Filing Missouri service page (November 13, 2026)
  10. Input: Missouri Registered Agent.co pricing page (November 13, 2026)
  11. Input: MO Registered Agent.org pricing page (November 13, 2026)